Remove FlexRAN

- Remove any FlexRAN code
- Cleanup config files
- Remove LFDS7, libyaml dependencies

docker/Dockerfile.gNB.aw2s.rhel8.2

@@ -56,8 +56,7 @@ RUN yum repolist --disablerepo=* && \
         tzdata \
         net-tools \
         iputils \
-        python3-pip \
-        libyaml && \
+        python3-pip && \
     pip3 install six && \
     pip3 install requests && \
     echo "/usr/local/lib" > /etc/ld.so.conf.d/local-lib.conf && \
@@ -91,8 +90,6 @@ COPY --from=gnb-base \
     /lib64/liblapacke.so.3 \
     /lib64/
 
-COPY --from=gnb-base /usr/lib64/libprotobuf-c.so.1 /usr/local/lib
-
 RUN ln -s /usr/local/lib/libaw2sori_transpro.so /usr/local/lib/libthirdparty_transpro.so && \
     ldconfig